Use stable version of hearth

Author: MateuszKubuszok

build.sbt

@@ -24,7 +24,7 @@ val versions = new {
   val platforms = List(VirtualAxis.jvm, VirtualAxis.js, VirtualAxis.native)
 
   // Dependencies.
-  val hearth = "0.2.0-282-g8a6c0d6-SNAPSHOT"
+  val hearth = "0.3.0"
   val kindProjector = "0.13.4"
   val avro = "1.12.1"
   val cats = "2.13.0"